5390906 has 4 divisors (see below), whose sum is σ = 8086362. Its totient is φ = 2695452.

The previous prime is 5390893. The next prime is 5390923. The reversal of 5390906 is 6090935.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4879681 + 511225 = 2209^2 + 715^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1347725 + ... + 1347728.

Almost surely, 2^5390906 is an apocalyptic number.

5390906 is a deficient number, since it is larger than the sum of its proper divisors (2695456).

5390906 is a wasteful number, since it uses less digits than its factorization.

5390906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695455.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 5390906 is about 2321.8324659630. The cubic root of 5390906 is about 175.3425237062.

The spelling of 5390906 in words is "five million, three hundred ninety thousand, nine hundred six".